--- Look at the boy running on the ground. Is it Frank?
--- It ________ be him. I saw him go to the library just now.
| A．mustn’t | B．can’t |
| C．needn’t | D．might not |
12. to our school!
| A．You do welcome | B．Welcome | C．Welcome you | D．You welcome |
As the electricity was cut, the lights suddenly.
| A．went on | B．went over | C．went out | D．go on |
You’d bettersoccer in the street.
| A．play | B．not play | C．not to play | D．playing |
—I can’t find my eraser.
—We’ll comehelp you.
| A．to | B．and | C．for | D．of |
She would likea violin lesson.
| A．have | B．to have | C．having | D．had |